any STD bus users or developers?
Roy J. Tellason
rtellason at verizon.net
Sat May 10 19:50:33 CDT 2008
On Saturday 10 May 2008 12:10, Chuck Guzis wrote:
> > PCBs with edge connectors really drive the costs up because specialized
> > prototype boards are required or if you manufacture the PCBs using edge
> > connectors and gold fingers are extra.
> It's very strange--at one time Radio Shack (under their "Archer"
> brand) sold 22/44 position edge-connector prototyping cards, in
> phenolic, rather than FR4 and with tinned, rather than gold-plated
> fingers. Vector had similar prototype cards as well. It's kind of
> hard to believe that they're all gone now, since at one time, they
> were very common.
I still have some of those, and maybe one or two of the connectors used with
them, and they did have a variety of them out over the years. One was some
kind of blue-colored material, some were indeed FR4 or similar, hole
patterns varied all over the place, some had buses and some didn't.
I may still have a rack cabinet that had a bunch of stots for those, or at
least the shorter ones, it wouldn't take the taller ones without them
sticking out of the top.
I haven't looked at what Vector offers at any time in recent years, are you
sayng that they don't offer that kind of card any more?
Oh, and these aren't STD bus, which is 56 pins rather than 22/44. :-)
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